<?php


  if(!empty($_SERVER["HTTP_CLIENT_IP"])){
   $ip = $_SERVER["HTTP_CLIENT_IP"];
  }
  if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
   $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
   if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
   for ($i = 0; $i < count($ips); $i++) {
    if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {
     $ip = $ips[$i];
     break;
    }
   }
  }


$ip = $_SERVER["REMOTE_ADDR"];

var_dump($ip);

?>
 